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Heliocrinites helmhackeri

Rhombifera - Caryocystitidae

Taxonomy
Orocystites helmhackeri was named by Barrande (1887). It is a 3D body fossil. Its type locality is Kladno, which is in a Berounian offshore shelf claystone in the Vinice Formation of Czechia. It is the type species of Orocystites.

It was recombined as Caryocystites helmhackeri by Jaekel (1899); it was recombined as Heliocrinites helmhackeri by Regnéll (1945), Regnell (1951).

Sister species lacking formal opinion data
H. saenzi

Synonymy list
YearName and author
1887Orocystites helmhackeri Barrande p. 170 figs. pl. 7-8
1899Caryocystites helmhackeri Jaekel p. 330 figs. pl. 9, fig. 7
1945Heliocrinites helmhackeri Regnéll p. 119
1951Heliocrinites helmhackeri Regnell pp. 23 - 24 figs. pl. 2 f. 2

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumBlastozoa
orderRhombiferaZittel 1879
superfamilyCaryocystitidaJaekel 1918
familyCaryocystitidaeJaekel 1918
genusHeliocrinitesEichwald 1840
specieshelmhackeri()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Heliocrinites helmhackeri Barrande 1887
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitep
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: stationaryo
Attached: yeso
Life habit: intermediate-level epifaunalo
Diet: suspension feedero
Vision: blindo
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-29 11:36:13
Modified: 2010-02-15 06:45:28
Source: o = order, p = phylum
References: Aberhan et al. 2004, Aberhan 1992

Age range: base of the Katian to the top of the Berounian or 452.80000 to 450.10000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Berounian459.7 - 450.1Czechia (Prague) Orocystites helmhackeri (type locality: 196969)
Vinice - Late/Upper Ordovician459.3 - 443.1Czechia Heliocrinites helmhackeri (3863)
Katian452.8 - 445.2Portugal (Aveiro) Heliocrinites helmhackeri (182918)
Katian452.8 - 445.2Belgium Heliocrinites helmhackeri (196947)